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Finding the Fourth Proportional to 589.50, 884.88 and 434.94

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Solution

The fourth proportional to 589.50, 884.88 and 434.94 is: 652.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.50 : 884.88 = 434.94 : x
  2. Step 2: Convert to fraction form
    589.50/884.88 = 434.94/x
  3. Step 3: Cross multiply
    589.50x = 884.88 × 434.94
  4. Step 4: Simplify right side
    589.50x = 384,869.71
  5. Step 5: Solve for x
    x = 384,869.71/589.50
  6. Step 6: Final answer
    x = 652.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.